Chapter 8416 — Customs Tariff Headings

8416.20.00Other furnace burners, including combination burners

8416.30.00Mechanical stokers, including their mechanical grates, mechanical ash dischargers and similar appliances

8416.90.00Parts

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Products classified under Tariff item 84.16

Biodiesel Compatible Furnace Burner

A furnace burner modified with synthetic seals to operate on B100 biodiesel, while retaining standard oil burner mechanics. It is designed for liquid fuel combustion in biomass processing furnaces, falling under tariff item 8416.10.00 as a furnace burner for liquid fuel.

Diesel Fuel Rotary Cup Furnace Burner

A rotary cup burner using diesel fuel for ceramic kiln furnaces, achieving precise flame control via centrifugal atomization. It is specifically designed for liquid fuel combustion in high-temperature furnaces, qualifying under tariff item 8416.10.00.

Heavy Fuel Oil Boiler Burner

A burner engineered for heavy fuel oil in steam boiler furnaces, featuring high-pressure nozzles for fuel injection and ignition. Its exclusive design for liquid fuel combustion places it under tariff item 8416.10.00.

Kerosene Space Heater Burner

A pot-type burner for kerosene in convection space heaters, providing radiant and convective heat for indoor use. It is optimized for liquid kerosene fuel, qualifying as a furnace burner for liquid fuel under tariff item 8416.10.00.

Nozzle Mix Oil Furnace Burner

A pressure atomizing nozzle burner for No. 6 fuel oil in reheating furnaces, mixing fuel and air at the nozzle for stable combustion. Its liquid fuel-specific design for steel mill furnaces falls under tariff item 8416.10.00.

Oil-Fired Industrial Furnace Burner

A furnace burner designed specifically for liquid fuels like heavy fuel oil, used in industrial heating furnaces to atomize and ignite the fuel for efficient combustion. It is a dedicated liquid fuel burner, qualifying under tariff item 8416.10.00.

Waste Oil Furnace Burner

A specialized burner for recycling waste oils like used motor oil in space-heating furnaces, with filtration and preheating systems. It qualifies as a liquid fuel furnace burner under tariff item 8416.10.00, promoting sustainable fuel use.

Biomass Pulverized Fuel Burner

A burner designed to combust pulverized biomass fuels such as wood pellets or agricultural waste in industrial furnaces. It supports renewable energy heating systems by efficiently converting solid biomass into heat. This product falls under tariff item 8416.20.00 as a furnace burner for pulverized solid fuel.

Combination Gas-Oil Furnace Burner

A dual-fuel burner capable of operating on gas or light oil for large-scale furnaces in manufacturing plants, offering fuel flexibility for industrial operations. This product is classified under tariff item 8416.20.00 as a 'combination burner' under 'other furnace burners.'

Combination Oil-Gas Furnace Burner

A dual-fuel burner capable of operating on either oil or natural gas, designed for industrial furnace applications. It provides flexibility in combustion systems by allowing fuel switching based on availability or cost. This product falls under tariff item 8416.20.00 as a combination burner for furnaces.

Forced Draft Furnace Fan Burner

A furnace burner integrated with a blower fan for pressurized air supply in large industrial furnaces, ensuring consistent combustion under forced draft conditions. This product falls under tariff item 8416.20.00 as an 'other furnace burner' for gas or combination fuels.

Gas-Fired Industrial Furnace Burner

A burner designed for industrial furnaces that operates on natural gas to produce a controlled flame for high-temperature heating processes. It is engineered for efficient combustion and reliable performance in demanding applications. This product falls under tariff item 8416.20.00 as a furnace burner for gas fuel.

Heavy Oil Furnace Burner Nozzle Assembly

A complete nozzle and ignition assembly designed for heavy fuel oil furnace burners used in marine and power applications. It ensures proper atomization of the fuel for efficient combustion. This product falls under tariff item 8416.20.00 as an 'other' furnace burner component, since it is not a complete burner but a specialized assembly for liquid fuel systems.

High-Pressure Gas Burner for Melting Furnaces

An industrial gas burner operating at high pressure for non-ferrous metal melting furnaces, with nozzle designs for laminar flame patterns. It is used in aluminum and copper melting applications. This product falls under tariff item 8416.20.00 as a gas furnace burner.

High-Velocity Gas Furnace Burner

A high-velocity flame burner for rapid heating in forging and heat treatment furnaces using natural gas. It achieves superior heat transfer efficiency through high-speed combustion gases. This product falls under tariff item 8416.20.00 as a gas furnace burner.

Industrial Boiler Gas Burner Nozzle Assembly

A replaceable nozzle and diffuser set for gas burners in steam boilers, ensuring efficient fuel atomization and flame stability. This product is classified under tariff item 8416.20.00 as parts of other furnace burners, despite being presented as a set.

Industrial Gas Furnace Burner

A high-efficiency gas burner designed for industrial furnaces to combust natural gas or propane, providing precise flame control for heat treatment processes. It is suitable for various industrial heating applications. This product falls under tariff item 8416.20.00 as a gas furnace burner.

Low-NOx Gas Furnace Burner

An environmentally optimized gas burner with staged combustion to minimize NOx emissions in glass annealing furnaces. It meets stringent air quality regulations through advanced combustion technology. This product falls under tariff item 8416.20.00 as a gas furnace burner.

LPG Gas Burner for Glass Melting Furnaces

A liquefied petroleum gas (LPG) burner engineered for float glass production furnaces, with oxy-fuel capability options. It provides a high-intensity flame for silica melting. This product falls under tariff item 8416.20.00 as a gas furnace burner.

LPG Low-NOx Furnace Burner

A liquefied petroleum gas (LPG) burner engineered for low nitrogen oxide (NOx) emissions in environmentally sensitive furnace operations. It meets stringent air quality standards through advanced combustion design. This product falls under tariff item 8416.20.00 as a gas furnace burner.

Mechanical Stoker Feeder Unit

An automated coal-feeding mechanism with a grate for industrial furnaces, including drive motors, designed to stoke solid fuel continuously. This product falls under tariff item 8416.20.00 as parts of mechanical stokers or similar appliances, given its function in fuel feeding.

Multi-Fuel Industrial Combination Burner

A versatile furnace burner supporting gas, oil, and limited solid fuel modes for heavy industrial heating applications. It is used in steel reheat furnaces and chemical processing plants. This product falls under tariff item 8416.20.00 as a combination burner.

Multi-Fuel Rotary Cup Burner

A rotary cup atomizer burner for liquid or pulverized fuels in cement kilns and industrial furnaces, offering multi-fuel flexibility. This product is classified under tariff item 8416.20.00 as an 'other combination furnace burner' for various fuel types.

Multi-Nozzle Gas Burner for Heat Treatment Ovens

A multi-nozzle gas burner array for uniform heating in steel heat treatment furnaces, supporting zoned temperature control. It is critical for automotive parts hardening processes. This product falls under tariff item 8416.20.00 as a gas furnace burner.

Natural Gas Kiln Burner

A natural gas burner engineered for ceramic or brick kilns, capable of sustaining high-temperature combustion up to 1400°C with adjustable air-gas mixing for precise firing control. This product falls under tariff item 8416.20.00 as an 'other furnace burner' for gas, designed specifically for kiln applications.

Natural Gas Melting Furnace Burner

A high-efficiency gas burner for non-ferrous metal melting furnaces, delivering precise flame control for foundry operations. It is essential for aluminum and copper smelting processes. This product falls under tariff item 8416.20.00 as a gas furnace burner.

Propane Dual-Zone Furnace Burner

A propane gas burner with two independent flame zones for uniform heating in ceramic or glass furnaces. It provides zoned temperature control for precision firing applications. This product falls under tariff item 8416.20.00 as a gas furnace burner.

Propane Forge Furnace Burner

A high-heat propane gas burner for metal forging furnaces, featuring adjustable flame control for precise temperature management in industrial metalworking. This product is classified under tariff item 8416.20.00 as an 'other gas furnace burner' for industrial applications.

Propane Forge Gas Burner

A high-velocity propane gas burner for blacksmith forges and metal heat-treating furnaces, using venturi mixing for efficient combustion. It is classified under tariff item 8416.20.00 as an 'other furnace burner' for gas, designed for metalworking applications.

Pulverized Coal Furnace Burner

A specialized burner for injecting and igniting pulverized solid fuel like coal in large-scale power plant or industrial furnaces. It is designed for efficient combustion of solid particles. This product falls under tariff item 8416.20.00 as a furnace burner for pulverized solid fuel.

Chain-Grate Mechanical Stoker

> A chain-grate mechanical stoker that automatically feeds solid fuel such as coal onto a moving grate for combustion in industrial boilers. It includes integrated mechanical grates for even burning and ash management, falling under tariff item 8416.30.00 as a mechanical stoker with mechanical grates.

Pneumatic Fuel Feed Mechanical Stoker

> A hybrid mechanical stoker that uses pneumatic assistance along with mechanical grates to feed solid fuels and discharge ash in boilers. The core mechanical stoking components, including the grates and ash handling, fall under tariff item 8416.30.00 as a mechanical stoker.

Ram-Type Mechanical Stoker

> A ram-type mechanical stoker that uses reciprocating rams to mechanically push solid fuel into the furnace retort, paired with mechanical ash clinker grinders and dischargers. This product falls under tariff item 8416.30.00 as a mechanical stoker with mechanical ash handling appliances.

Spreader Stoker with Mechanical Ash Discharger

> A spreader stoker that mechanically distributes pulverized coal over the grate and features an automatic ash discharger for continuous operation. The mechanical stoking and ash handling functions fall under tariff item 8416.30.00 as a mechanical stoker with ash discharger.

Traveling Grate Stoker Furnace

> A traveling grate stoker furnace that employs a continuously moving mechanical grate to transport solid fuel through combustion zones with integrated ash discharge. This product falls under tariff item 8416.30.00 as a mechanical stoker with mechanical grates and ash dischargers.

Underfeed Mechanical Stoker

> An underfeed mechanical stoker that mechanically pushes fuel from below the grate into the furnace for controlled combustion, including automatic ash removal systems. It fits tariff item 8416.30.00 as a mechanical stoker with integrated grates and ash handling.

Vibrating Grate Mechanical Stoker

> A vibrating grate mechanical stoker that uses mechanical vibration to feed and distribute biomass or coal fuel across the grate while discharging ash automatically. This product falls under tariff item 8416.30.00 as a mechanical stoker with mechanical grates and ash handling.

Burner Flame Sensor Assembly

> A burner flame sensor assembly detects the presence of a flame in gas or oil furnace burners, using a UV or flame rod sensor to ensure safe shutdown if the flame is lost. It is an integral safety component of burner control systems, designed specifically for use with furnace burners of heading 84.16. As a part solely for such burners, it is classified under tariff item 8416.90.00.

Burner Management System Mounting Bracket

> A precision-machined mounting bracket secures electronic burner controls to the furnace burner housing, designed to withstand vibration and heat. It is a mechanical part exclusively for furnace burners of heading 84.16, contributing to their safe and stable operation. As a part of such burners, it is classified under tariff item 8416.90.00.

Burner Sequence Controller Housing

> A die-cast aluminum enclosure protects burner control electronics from heat and vibration in furnace environments, with a gasketed design for NEMA 4X protection. It is a mechanical housing specifically for burner control systems of heading 84.16, serving as a protective part of the burner. As a part of furnace burners, it is classified under tariff item 8416.90.00.

Coal Burner Air Register

> A coal burner air register is an adjustable damper assembly that controls primary and secondary air flow to pulverized coal burners, critical for flame stability and combustion efficiency. It is designed specifically for solid fuel burners of heading 84.16, functioning as a mechanical part of the burner. As a part of furnace burners for pulverized solid fuel, it is classified under tariff item 8416.90.00.

Dual Fuel Burner Mixing Tube

> A dual fuel burner mixing tube is a stainless steel tube that mixes gas and air streams for efficient combustion in dual-fuel burners, with precision-drilled holes for optimal flow. It is a component designed specifically for burners of heading 84.16, enabling the mixing function essential to burner operation. As a part of furnace burners for gas or liquid fuel, it is classified under tariff item 8416.90.00.

Furnace Burner Refractory Tile

> A furnace burner refractory tile is a high-alumina tile lining the burner throat area, exposed to extreme flame temperatures and custom-contoured for airflow. It is a protective part of furnace burners of heading 84.16, ensuring thermal insulation and flame stability. As a part of such burners, it is classified under tariff item 8416.90.00.

Gas Furnace Burner Assembly

> A gas furnace burner assembly is a complete assembly for gas-fired industrial furnaces, including a nozzle, ignition system, and mounting bracket, essential for efficient combustion. It is designed as a part of furnace burners for gas of heading 84.16, providing the complete burning mechanism. As a part of such burners, it is classified under tariff item 8416.90.00.

Gas Train Pressure Regulator Body

> A gas train pressure regulator body is a heavy-duty regulator body maintaining stable gas pressure to furnace burners, rated for high BTU industrial gases. It is a component of gas burner systems of heading 84.16, ensuring proper fuel supply for combustion. As a part of furnace burners for gas, it is classified under tariff item 8416.90.00.

Liquid Fuel Atomizing Nozzle

> A liquid fuel atomizing nozzle is a precision-machined nozzle creating a fine fuel spray pattern for complete combustion in oil-fired furnace burners, designed as a replaceable wear part. It is a component specifically for liquid fuel burners of heading 84.16, essential for fuel atomization. As a part of such burners, it is classified under tariff item 8416.90.00.

Low NOx Gas Burner Insert

> A low NOx gas burner insert is a ceramic or metal fiber insert creating staged combustion to reduce NOx emissions in gas burners, designed as a retrofit for existing furnace burners. It is a component of gas burners of heading 84.16, enhancing combustion performance. As a part of such burners, it is classified under tariff item 8416.90.00.

Mechanical Ash Discharger Screw

> A mechanical ash discharger screw is a helical screw conveyor for automatic ash removal from furnace bottoms, made of corrosion-resistant alloy. It is a part of mechanical ash dischargers of heading 84.16, which are similar appliances to mechanical stokers. As a part of such appliances, it is classified under tariff item 8416.90.00.

Mechanical Stoker Feed Drive Gearbox

> A mechanical stoker feed drive gearbox is a heavy-duty reduction gearbox powering the coal or wood feed mechanism in mechanical stokers, designed for high torque with sticky fuels. It is a part of mechanical stokers of heading 84.16, transmitting power to the feed mechanism. As a part of such stokers, it is classified under tariff item 8416.90.00.

Mechanical Stoker Grate Bar

> A mechanical stoker grate bar is a heat-resistant cast iron bar for mechanical stokers in biomass and coal-fired boilers, featuring air slots for combustion control. It is a part of mechanical stokers of heading 84.16, supporting fuel and allowing air flow. As a part of such stokers, it is classified under tariff item 8416.90.00.

Oil Furnace Ignition Electrode

> An oil furnace ignition electrode is a ceramic-insulated electrode for igniting liquid fuel in industrial oil burners, providing a spark for flame initiation. It is a component specifically for liquid fuel burners of heading 84.16, essential for burner ignition. As a part of such burners, it is classified under tariff item 8416.90.00.